Using OR or inserting quotation marks can widen or narrow down a search.
OR makes a search wider; for instance, you can search [hotel OR motel] to find both kinds of lodging.
Sample search for [hotel OR motel]
You can also insert quotation marks to search for a specific phrase or word. This can help you find quotes, search for song lyrics, or identify the titles of specific journal and magazine articles.
Sample search for ["like a rolling stone"]